One way is to appeal to people's anxious sense of paranoia, and call it patriotism.
Like the guy running this money-spinner, a super-secret survival kit for the coming apocalypse.
You may not have enough health or life or house or car insurance. You may not have a retirement account. You may not be prepared for things that often or always happen. But you need to be prepared for the imminent return of the Stone Age.
When this guy's ads come up on Facebook, click them. It'll cost him money.